WELDING MATERIAL CONSISTING OF AUSTENITIC STAINLESS STEEL, AND METHOD FOR PREVENTIVE MAINTENANCE OF STRESS CORROSION CRACKING AND INTERGRANULAR CORROSION USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a welding material capable of preventing generation or growth of stress corrosion cracking or the like at a welded part of austenitic stainless steel of devices and pipes or the like in a nuclear power plant, and to provide a method for preventive maintenance using the welding material.;SOLUTION: The welding material 1 consisting of austenitic stainless steel contains, by weight, ≤0.01% C, ≤0.5% Si, ≤0.5% Mn, ≤0.005% P, ≤0.005% S, 15.0-40.0% Ni, 20.0-30.0% Cr, ≤0.01% N, and ≤0.01% O. In particular, the content of B is ≤3 wtppm.;COPYRIGHT: (C)2010,JPO&INPIT